An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



WN4.5 star
  ستاره‌ی ِ WN4.5  
setâre-ye WN4.5
Fr.: étoile WN4.5  

A → WN Wolf-Rayet star whose spectrum shows the following emission line characteristics: N IV 3479-3484, 4058 Å stronger than N V 3479-3484, 4058 Å and N III 4634-4641, 5314 Å weak or absent.

See also: W, from → Wolf-Rayet; N, from → nitrogen; → star.